<template>
  <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
  <div id="chart" style="width: 100%; height: 300px"></div>
</template>

<script>
import * as echarts from "echarts";
export default {
  name: "lineChart",
  props: {
    typeChart: {
      type: String,
      default: "line",
    },
  },
  data() {
    return {};
  },
  mounted() {
    this.initChart();
    // this.initWebSocket();
  },
  methods: {
    initChart() {
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById("chart"));

      // 指定图表的配置项和数据
      var option = {
        title: {
          text: "车间厂间电脑统计",
          textStyle: {
            lineHeight: 50,
            color: "#fff",
          },
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#6a7985",
            },
          },
        },
        legend: {
          data: ["Email", "Union Ads", "Video Ads", "Direct", "Search Engine"],
        },
        toolbox: {
          feature: {
            saveAsImage: {},
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            type: "category",
            boundaryGap: false,
            data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
        series: [
          {
            name: "Email",
            type: this.typeChart,
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [120, 132, 101, 134, 90, 230, 210],
          },
          {
            name: "Union Ads",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [220, 182, 191, 234, 290, 330, 310],
          },
          {
            name: "Video Ads",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [150, 232, 201, 154, 190, 330, 410],
          },
          {
            name: "Direct",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [320, 332, 301, 334, 390, 330, 320],
          },
          {
            name: "Search Engine",
            type: "line",
            stack: "Total",
            label: {
              show: true,
              position: "top",
            },
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [820, 932, 901, 934, 1290, 1330, 1320],
          },
        ],
      };

      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    },
    initWebSocket() {
      var ws = new WebSocket("ws://127.0.0.1:8090");

      ws.onopen = function () {
        alert("websocket");
      };
      (ws.onerror = function () {
        alert("出现错误");
      }),
        (ws.onmessage = (msg) => {
          console.log(msg);
        });
    },
  },
};
</script>

<style lang="scss" scoped></style>
